Abstract
The objective of this study was to examine the feasibility of a full-scale investigation of the neurophysiological mechanisms of COPD-induced respiratory neuromuscular control deficits. Characterization of respiratory single- and multi-muscle activation patterns using surface electromyography (sEMG) were assessed along with functional measures at baseline and following 21 ± 2 (mean ± SD) sessions of respiratory motor training (RMT) performed during a one-month period in four patients with GOLD stage II or III COPD. Pre-training, the individuals with COPD showed significantly increased (p < 0.05) overall respiratory muscle activity and disorganized multi-muscle activation patterns in association with lowered spirometrical measures and decreased fast- and slow-twitch fiber activity as compared to healthy controls (N = 4). Following RMT, functional and respiratory sEMG activation outcomes during quite breathing and forced expiratory efforts were improved suggesting that functional improvements, induced by task-specific RMT, are evidence respiratory neuromuscular networks re-organization.
Original language | English (US) |
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Pages (from-to) | 59-64 |
Number of pages | 6 |
Journal | Respiratory Physiology and Neurobiology |
Volume | 229 |
DOIs | |
State | Published - Jul 15 2016 |
Keywords
- Chronic obstructive pulmonary disease
- EMG
- Electromyography
- Respiratory motor function
- Respiratory muscles
- Respiratory training
ASJC Scopus subject areas
- Neuroscience(all)
- Physiology
- Pulmonary and Respiratory Medicine